What is a synonym for stealthily?

Here are some synonyms for "stealthily", depending on the specific nuance you're looking for:

General:

* Secretly

* Covertly

* Clandestinely

* Furtively

* Subtly

* Discreetly

* Quietly

* Silently

More specific:

* Under the cover of darkness: If you're emphasizing the darkness.

* Like a shadow: If you want a more poetic comparison.

* On the sly: If you want a more informal tone.

* With cunning: If you want to emphasize the intelligence behind the stealth.

The best synonym for "stealthily" will depend on the context of your sentence.